There are 6,829 companies listed as Active in the Form 499 Filer Database.
http://apps.fcc.gov/cgb/form499/499results.cfm?FilerID=&frn=...
There are 6,829 companies listed as Active in the Form 499 Filer Database.
http://apps.fcc.gov/cgb/form499/499results.cfm?FilerID=&frn=...